@media screen, projection
{
  #col1 { float:right; width: 25%; }
  #col1_content { padding-left: 10px; padding-right: 20px; }

  #col2, #col2_content { display:none }

  #col3 { margin-left:0; margin-right:25%; }
  #col3_content { padding-left: 20px; padding-right: 10px; }
}
